ADTRAN Express 6120 Bedienerhandbuch PDF herunterladen (Seite 30)

Chapter 1. Understanding IDSL and the Express 6100/6120

1-8 Express 6100/6120 User Manual 61200176L1-1

Figure 1-8 shows the front panel of the Express 6120.

Figure 1-8. Express 6120 Front Panel

Indicators

Rear Panel

The Express 6100/6120 has one RJ-45 jack, labeled ISDN, on the rear

panel for network connection (see Figure 1-9 on page 1-9 and Figure

1-10 on page 1-9).

The OFF/ON switch block is for factory default and firmware down-

loading. With switch 1 in the up or OFF position, the Express 6100/

6120 will immediately go into a download mode when power is en-

abled. Switch 1 must be in the downor ON position in order to boot

up normally. Switch 2 in the up or OFF position will force the entire

configuration to be factory defaulted.

TX/RX Flashes when transmitting and receiving

data on the 10BaseT connector.

1, 2, 3, 4 Link integrity. Illuminates when there is a

good connection between the Express

6120 and the Hub/NIC card.

PWR Flashes when the IDSL link (pins 4 and 5

on RJ-45) is not in sync. Solid when in

sync.

TEST 1, 2 Illuminates solid when either PPP or Frame

Relay has an active connection. Flashes

when trying to establish a PPP or Frame

Relay connection.

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ADTRAN Express 6120 Bedienerhandbuch Seite 30